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312980 (1999 RK60)
Classification: Main-belt Asteroid          SPK-ID: 2312980
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2651753030277527 3.3783e-08  
a 2.425218816166287 1.1564e-08 au
q 1.782110681680785 8.3894e-08 au
i 11.09387032131664 5.832e-06 deg
node 135.4360719594917 1.6841e-05 deg
peri 255.1595324730256 1.9984e-05 deg
M 35.23598315272339 1.0161e-05 deg
tp 2458465.476701450639
(2018-Dec-12.97670145)
3.8738e-05 TDB
period 1379.509896661222
3.78
9.8665e-06
2.701e-08
d
yr
n .2609622452664494 1.8665e-09 deg/d
Q 3.06832695065179 1.463e-08 au
  Orbit Determination Parameters
   # obs. used (total)      838  
   data-arc span      7143 days (19.56 yr)  
   first obs. used      1999-07-13  
   last obs. used      2019-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45649  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:35:30  

Additional Information
 Earth MOID = .823503 au 
 Jupiter MOID = 2.47263 au 
 T_jup = 3.437 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457105.5 (2015-Mar-24.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2635114676659438 3.3711e-08  
q 1.786441405823652 8.3607e-08 au
tp 2457083.559650299319
(2015-Mar-02.05965030)
3.8747e-05 TDB
node 135.5678504501465 1.6796e-05 deg
peri 254.6721698046377 2.0036e-05 deg
i 11.10496578258955 5.8388e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      838  
   data-arc span      7143 days (19.56 yr)  
   first obs. used      1999-07-13  
   last obs. used      2019-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45649  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:35:30  

Additional Information
 Jupiter MOID = 2.47263 au 
 T_jup = 3.437 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.136415158524127E-15 -2.804353056850047E-15 -5.528090277112727E-13 7.036529904161306E-15 -1.23313282202861E-13 -4.47260502947479E-15
q -2.804353056850047E-15 6.990087648238357E-15 1.323871686312546E-12 -1.76407106659665E-14 2.934794929032252E-13 1.207211024340855E-14
tp -5.528090277112727E-13 1.323871686312546E-12 1.501335185720068E-9 -9.418190959950378E-12 4.270017254368484E-10 7.134847856584654E-12
node 7.036529904161306E-15 -1.76407106659665E-14 -9.418190959950378E-12 2.821148603049271E-10 -2.787888855806555E-10 1.250855631098809E-11
peri -1.23313282202861E-13 2.934794929032252E-13 4.270017254368484E-10 -2.787888855806555E-10 4.014538821441429E-10 -1.044939115890853E-11
i -4.47260502947479E-15 1.207211024340855E-14 7.134847856584654E-12 1.250855631098809E-11 -1.044939115890853E-11 3.409100331974824E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO471276  

312980 (1999 RK60)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20120207/Numbers.arcLast Updated: 2012-02-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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